/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors 
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.commons.util;

import java.util.Arrays;

/**
 * @author Torgeir Lorange Ostby
 */
public class SystemUtils {
  private static final int FACTOR_MB = 1024 * 1024;

  /**
   * Indicates whether the current thread is running for testing.
   *
   * @return true if test run.
   */
  public static boolean isTestRun(String[] profiles) {
    return Arrays.asList(profiles).contains("test");
  }

  public static boolean isEnableCacheInTest(String[] profiles) {
    return Arrays.asList(profiles).contains("cache-test");
  }

  public static boolean isCacheInvalidationInTest(String[] profiles) {
    return Arrays.asList(profiles).contains("cache-invalidation-test");
  }

  public static boolean isUserImpersonationInTest(String[] profiles) {
    return Arrays.asList(profiles).contains("impersonate-user-test");
  }

  public static boolean isOAuth2AuthorizationServerTest(String[] profiles) {
    return Arrays.asList(profiles).contains("oauth2-authorization-server-test");
  }

  public static boolean isAuditTest(String[] profiles) {
    return Arrays.asList(profiles).contains("test-audit");
  }

  public static boolean isH2(String[] profiles) {
    return Arrays.asList(profiles).contains("test-h2");
  }

  /**
   * Gets the number of CPU cores available to this JVM.
   *
   * @return the number of available CPU cores.
   */
  public static int getCpuCores() {
    return Runtime.getRuntime().availableProcessors();
  }

  /**
   * Gets a String containing info of available and used memory of this JVM.
   *
   * @return an info string.
   */
  public static String getMemoryString() {
    return "Mem Total in JVM: "
        + (Runtime.getRuntime().totalMemory() / FACTOR_MB)
        + " Free in JVM: "
        + (Runtime.getRuntime().freeMemory() / FACTOR_MB)
        + " Max Limit: "
        + (Runtime.getRuntime().maxMemory() / FACTOR_MB);
  }
}
